Obsessive-compulsive personality disorder is characterized by excessive caution, strict requirements and perfectionism, and internal insecurity. 1, excessive suspicion and caution, often a sense of insecurity, often exhaustive thinking, the implementation of the plan repeatedly check, check, lest negligence or error; 2, excessive attention to detail, rules, entries, order, organization or forms, often stuck in the details, indecisive, often avoid making decisions, or feel anxious; 3, perfectionism, demanding too much of everything, so that the work is affected 4, too strong sense of morality, cautious, over-valuing the effectiveness of the work and disregard for fun and interpersonal relationships; 5, too pedantic, stuck with social customs, lack of innovation and risk-taking; 6, stereotypes and stubbornness, unreasonable insistence on requiring others to act strictly in accordance with their own way, or even if others are allowed to act with great reluctance; very uneasy about others to do, as a leadership position, often everything must be done, and The person is very unsure of what others are doing, and in a leadership position, he or she tends to do everything himself or herself.